Flaring Work; Checking The Drainage - LG Multi V Series Installation Manual

Installation

Flaring work

• Firmly hold copper pipe in a bar with the dimension shown in below table table below.
• Carry out flaring work with the flaring tool.
Pipe diameter
Inch (mm)
Wing nut type
Ø 1/4 (Ø 6.35)
Ø 3/8 (Ø 9.52)
0.04~0.07
Ø 1/2 (Ø 12.7)
(1.1~1.8)
Ø 5/8 (Ø 15.88)
Ø 3/4 (Ø 19.05)

Checking the Drainage

1. Remove the Air Filter.
2. Check the drainage.
• Spray one or two glasses of water upon the
evaporator.
• Ensure that water flows drain hose of
indoor unit without any leakage.
1. Install declination of the indoor unit is very important for the drain of the duct type air
conditioner.
2. Minimum thickness of the insulation for the connecting pipe shall be 5 mm(3/16 inch).
• The unit must be horizontal or declined to the drain hose connected when finished installation.
14 Indoor Unit
inch (mm)
Clutch type
0~0.02
(0~0.5)
!
CAUTION
Front of view
Ceiling
Drainage hole
Bar
Copper pipe
<Wing nut type>
Air outlet vents
1 mm (1/32 inch) ~ 3 mm (1/8 inch)
"A"
<Clutch type>
Air filters